Method of driving a cassette scanning system

Details Method of driving a cassette scanning system Method of driving a cassette scanning system

1997-04-03

1998-08-25

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

2502081, 2505594, 358488, H01L 2700

Patent

active

057985227

ABSTRACT:
A document holder is fed into a cassette scanning system. A first sensor that is set in the cassette scanning system detects whether the document holder is in the scanning system or not. Simultaneously, a second sensor is used to detect whether the document is inside the document holder or not. The scanning system is responsive to the first sensor and second sensor to drive the image sensor to capture the image of the document.

REFERENCES:
patent: 4538177 (1985-08-01), Morison
patent: 5693933 (1997-12-01), Takasu et al.

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